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Seamless handoff, offload, and load balancing in integrated wi-fi/small cell systems

a wi-fi/small cell system and load balancing technology, applied in data switching networks, frequency-division multiplexes, instruments, etc., can solve the problems of limited spectrum allocation to cellular networks, limiting the ability of fourth-generation and future-generation cellular networks to accommodate the growing demand for mobile data

Active Publication Date: 2013-03-28
PLUME DESIGN INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a method for improving the use of limited cellular spectrum in cellular networks, especially in fourth-generation LTE networks, by making better use of both cellular and non-cellular spectrum. This is important because cellular networks are struggling to keep up with the growing demand for mobile data. The invention provides techniques for seamless handoff, data offloading, and load balancing between cellular and Wi-Fi networks, as well as state and session information for efficient handoff and data transmission. The technical effects of the invention include improved data rates, better capacity utilization, and better user experience.

Problems solved by technology

However, the spectrum allocated to cellular networks remains scarce, thus limiting the ability of fourth-generation and future-generation cellular networks to accommodate the growing demand for mobile data driven by mobile devices, including smartphones and the like.

Method used

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  • Seamless handoff, offload, and load balancing in integrated wi-fi/small cell systems
  • Seamless handoff, offload, and load balancing in integrated wi-fi/small cell systems
  • Seamless handoff, offload, and load balancing in integrated wi-fi/small cell systems

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Embodiment Construction

[0012]The invention can be implemented in numerous ways, including as a process; an apparatus; a system; a composition of matter; a computer program product embodied on a computer readable storage medium; and / or a processor, such as a processor configured to execute instructions stored on and / or provided by a memory coupled to the processor. In this specification, these implementations, or any other form that the invention may take, may be referred to as techniques. In general, the order of the steps of disclosed processes may be altered within the scope of the invention. Unless stated otherwise, a component such as a processor or a memory described as being configured to perform a task may be implemented as a general component that is temporarily configured to perform the task at a given time or a specific component that is manufactured to perform the task. As used herein, the term ‘processor’ refers to one or more devices, circuits, and / or processing cores configured to process da...

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Abstract

A method of handing off between a cellular network and a Wi-Fi network is disclosed. A cellular base station of the cellular network is caused to collect information related to the cellular network. A Wi-Fi access point of the Wi-Fi network is caused to collect information related to the Wi-Fi network, wherein the cellular base station and the Wi-Fi access point are co-located. The information related to the cellular network and the information related to the Wi-Fi network are used collectively for determining whether to handoff traffic of a user equipment from a cellular air interface of the cellular network to a Wi-Fi air interface of the Wi-Fi network, or vice versa.

Description

CROSS REFERENCE TO OTHER APPLICATIONS[0001]This application claims priority to U.S. Provisional Patent Application No. 61 / 536,987 entitled ALGORITHMS FOR DUAL-MODE WI-FI / PICOCELL HANDOVER AND OFFLOAD filed Sep. 20, 2011 which is incorporated herein by reference for all purposes.BACKGROUND OF THE INVENTION[0002]Internet Protocol based (IP-based) cellular networks, including cellular networks based on the fourth-generation (4G) Long Term Evolution (LTE) standard and on the Worldwide Interoperability for Microwave Access (WiMAX) standard, provide significantly higher data rates than previous generations of cellular networks. However, the spectrum allocated to cellular networks remains scarce, thus limiting the ability of fourth-generation and future-generation cellular networks to accommodate the growing demand for mobile data driven by mobile devices, including smartphones and the like. Therefore, improved techniques to utilize the limited cellular spectrum and to make use of non-cell...

Claims

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Application Information

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IPC IPC(8): H04W36/22H04W36/14
CPCH04W36/14H04W36/22H04W36/0011H04W36/144
Inventor KRISHNA, SANTHOSHGOLDSMITH, ANDREACARLTON, MICHAEL
Owner PLUME DESIGN INC
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